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# 6.2 Solving Inequalities Using Multiplication and Division

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Author: Colin S
##### Description:

To teach kids about inequalities.

This packet has a table to demonstrate what to do when multiplying/dividing by a negative number. It has vocabulary for the rule. It also has a couple problems to solve and some games.

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Tutorial

## Table

 Equation Added to Both Sides New Equation True or False 10 > 8 +3 13 > 11 True 10 > 8 -7 3 > 1 True 10 > 8 * 2 20 > 16 True 4 < 6 /4 1 < 1½ True 4 < 6 *-3 -12 <  -18 False 4 < 6 /-6 -2/3 <  -1 False

Source: Mr. Hennen

## Rule

When multiplying or dividing by a negative number, you must reverse the inequality symbol.

Source: Mr. Hennen